Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 6201-6220 of 9564
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A Small Scale Biomass Fueled Gas Turbine Engine
(The American Society of Mechanical Engineers (ASME), 1999)A new generation of small scale (less than 20 MWe) biomass fueled, power plants are being developed based on a gas turbine (Brayton cycle) prime mover. These power plants are expected to ... -
Development of a Combustor Liner Composed of Ceramic Matrix Composite (CMC)
(The American Society of Mechanical Engineers (ASME), 1999)The Research Institute of Advanced Materials Gas-Generator (AMG), which is a joint effort by the Japan Key Technology Center and 14 firms in Japan, has, since fiscal year 1992, been conducting ... -
Final Report on the Development of a Hydrogen-Fueled Combustion Turbine Cycle for Power Generation
(The American Society of Mechanical Engineers (ASME), 1999)Through its New Energy and Industrial Technology Development Organization (NEDO) the Japanese government is sponsoring the World Energy Network (WE-NET) Program. WE-NET is a 28-year global effort ... -
Elevated-Temperature “Ultra” Fast Fracture Strength of Advanced Ceramics: An Approach to Elevated-Temperature “Inert” Strength
(The American Society of Mechanical Engineers (ASME), 1999)The determination of “ultra” fast fracture strengths of five silicon nitride ceramics at elevated temperatures has been made by using constant stress-rate (“dynamic fatigue”) testing with a series ... -
Gas Turbine Cycle Design Methodology: A Comparison of Parameter Variation With Numerical Optimization
(The American Society of Mechanical Engineers (ASME), 1999)In gas turbine performance simulations often the following question arises: what is the best thermodynamic cycle design point? This is an optimization task which can be attacked in two ways. ... -
Qualitative Characterization of Anti-Swirl Gas Dampers
(The American Society of Mechanical Engineers (ASME), 1999)Anti-swirl gas dampers have applications in high-temperature turbomachinery. Nozzles comprising the circumference of the damper inject air against the direction of shaft rotation, providing a force ... -
A Bulk-Flow Analysis of Multiple-Pocket Gas Damper Seals
(The American Society of Mechanical Engineers (ASME), 1999)A bulk-flow model for calculation of the dynamic force characteristics in a single cavity, multiple-pocket gas damper seal is presented. Flow turbulence is accounted for by using turbulent shear ... -
Experimental Rotordynamic Characterization of Annular Seals: Facility and Methodology
(The American Society of Mechanical Engineers (ASME), 1999)Annular seals are known to enhance rotordynamic stability margins and minimize vibration response levels in high-speed rotating machinery. Theoretical predictions for the rotordynamic characteristics ... -
Experimental and Three-Dimensional CFD Investigation in a Gas Turbine Exhaust System
(The American Society of Mechanical Engineers (ASME), 1999)Both experimental and three-dimensional CFD investigations are carried out in a scale model of an industrial gas turbine exhaust system to better understand its complex flow field and to validate ... -
Preliminary Design of Low Cost Propulsion Systems Using Next Generation Cost Modeling Techniques
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Inhibition of Interdiffusion From MCrAlY Overlay Coatings by Application of a Ni-Re Interlayer
(The American Society of Mechanical Engineers (ASME), 1999)The durability of protective coatings on combustion turbine blades and vanes is a critical issue in the power generation industry. Coating life usually dictates the refurbishment intervals for ... -
A Comprehensive Model to Predict Simplex Atomizer Performance
(The American Society of Mechanical Engineers (ASME), 1999)The pressure swirl atomizer, or simplex atomizer, is widely used in liquid fuel combustion devices in the aerospace and power generation industries. A computational, experimental, and theoretical ... -
Analyses of Radially Rotating High-Temperature Heat Pipes for Turbomachinery Applications
(The American Society of Mechanical Engineers (ASME), 1999)A set of closed-form solutions for the liquid film distributions in the condenser section of a radially rotating miniature heat pipe and for the vapor temperature drop along the heat pipe ... -
Active Control of Combustion Instability in a Liquid-Fueled Low-NOx Combustor
(The American Society of Mechanical Engineers (ASME), 1999)A practical active control system for the mitigation of combustion instability has been designed and demonstrated in a lean, premixed, single-nozzle combustor at realistic engine operating conditions. ... -
Shift Reactors and Physical Absorption for Low-CO2 Emission IGCCs
(The American Society of Mechanical Engineers (ASME), 1999)Integrated gasification combined cycles (IGCC) exhibit conditions particularly favourable to the sequestration of CO2 . The concept pursued in this paper is the generation of syngas low in carbon, ... -
Det Norske Veritas Rule Philosophy With Regard to Gas Turbines for Marine Propulsion
(The American Society of Mechanical Engineers (ASME), 1999) -
Energy Input of a Centrifugal Stage Into the Attached Piping System During Mild Surge
(The American Society of Mechanical Engineers (ASME), 1999)Subjected to an oscillating flow rate, a compressor may feed additional (excitational) energy into the attached piping system. The relation between this additional energy input and the instantaneous ... -
Mode Localization of a Cracked Blade Disk
(The American Society of Mechanical Engineers (ASME), 1999)In this paper, the effect of blade crack on the mode localization of a rotating blade disk is studied. Pretwisted taper beams are used to simulate blades of a blade disk. The crack on the ... -
Testing of a Low Cooled Ceramic Nozzle Vane Under Transient Conditions
(The American Society of Mechanical Engineers (ASME), 1999)At the Institut für Thermische Strömungsmaschinen, University of Karlsruhe (ITS), a design technology has been introduced to reduce the mechanically and especially the thermally induced stresses ... -
A Computational Model for the Study of Gas Turbine Combustor Dynamics
(The American Society of Mechanical Engineers (ASME), 1999)A dynamic combustor model is developed for inclusion into a one-dimensional full gas turbine engine simulation code. A flux-difference splitting algorithm is used to numerically integrate the ...